105972-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105972-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,7 and 2 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 105972-32:
(8*1)+(7*0)+(6*5)+(5*9)+(4*7)+(3*2)+(2*3)+(1*2)=125
125 % 10 = 5
So 105972-32-5 is a valid CAS Registry Number.